circuitpython/ports/samd/fatfs_port.c

46 lines
1.9 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
* Copyright (c) 2021 Robert Hammelrath
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "mphalport.h"
#include "py/runtime.h"
#include "shared/timeutils/timeutils.h"
#include "lib/oofatfs/ff.h"
extern uint32_t time_offset;
MP_WEAK DWORD get_fattime(void) {
#if MICROPY_PY_MACHINE_RTC
return (RTC->MODE2.CLOCK.reg >> 1) + (20 << 25);
#else
extern void rtc_gettime(timeutils_struct_time_t *tm);
timeutils_struct_time_t tm;
timeutils_seconds_since_epoch_to_struct_time(mp_hal_ticks_ms_64() / 1000 + time_offset, &tm);
return ((tm.tm_year - 1980) << 25) | ((tm.tm_mon) << 21) | ((tm.tm_mday) << 16) |
((tm.tm_hour) << 11) | ((tm.tm_min) << 5) | (tm.tm_sec / 2);
#endif
}